File:Discman D121.jpg - Wikipedia

Vintage Sony Discman D-121 With Case Logic Carrying Case

Sony D-121 Discman CD Player Manual

CD player - Wikipedia

Discman D-121 R-Player Sony Corporation; Tokyo, build 1992 ?

Discman D-121 R-Player Sony Corporation; Tokyo, build 1992 ?

Sony D-11 Discman CD Player Manual

Marlene's Musings: Review: Sony D-121, Sony D-EJ 250, Sony D-EJ 725 & Sony D-335

You can see everything in the pictures.

VINTAGE SONY D-121 DISCMAN CD COMPACT PLAYER & BOX

CD player - Wikipedia

Discman D-121 R-Player Sony Corporation; Tokyo, build 1992 ?

CD player - Wikipedia

Jacques C. Valentin - Sony Discman D-121 (Project Breakdown)

VINTAGE SONY D-121 DISCMAN CD COMPACT PLAYER & BOX

Discman - Wikipedia